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5.9 Medium

CVE-2023-30756 A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl

Description

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-7 LTE (All versions < V3.5.20), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.5.20), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIMATIC WinCC Runtime Advanced (All versions), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.4.8). The web server of the affected devices do not properly handle certain errors when using the Expect HTTP request header, resulting in NULL dereference. This could allow a remote attacker with no privileges to cause a denial of service condition in the system.

Affected products and versions

Product Affected versions Fixed in
SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) 3.5 earliest → < 3.5.20 3.5.20
SIMATIC CP 1243-1 (incl. SIPLUS variants) 3.5 earliest → < 3.5.20 3.5.20
SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) 3.5 earliest → < 3.5.20 3.5.20
SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) 3.5 earliest → < 3.5.20 3.5.20
SIMATIC CP 1243-7 LTE 3.5 earliest → < 3.5.20 3.5.20
SIMATIC CP 1243-8 IRC 3.5 earliest → < 3.5.20 3.5.20
SIMATIC HMI Comfort Panels (incl. SIPLUS variants) Versions not published
SIMATIC IPC DiagBase Versions not published
SIMATIC IPC DiagMonitor Versions not published
Show the 3 other branches
Product Affected versions Fixed in
SIMATIC WinCC Runtime Advanced Versions not published
SIPLUS TIM 1531 IRC 2.4 earliest → < 2.4.8 2.4.8
TIM 1531 IRC 2.4 earliest → < 2.4.8 2.4.8

References

Timeline

  1. Published
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Other CVEs of SIMATIC CP 1242-7 V2 (incl. SIPLUS variants)

The 5 CVEs of SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) →
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